asteroids also known as

Question

用英语解释Asteroids,Comets,Nebulae,The Solar System
不要用翻译器翻译最好,基本都是语法错误,能解释几个就几个.、、

Answer 1

Asteroids：小行星.
Asteroids,also known as “minor planets”,are numerous in the outer space.
any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
comets:彗星
(astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit
Nebulae:星云 the body exclude of the asteroid and comets ,all of the ductile astronomical body .
the Solar System:太阳系
the sun with the celestial bodies that revolve around it in its gravitational field.
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